Secondary Cells TRIZ Cases

A polymerizing electrolyte additive system forms stable SEI/CEI films, captures trace acids, and suppresses high-temperature gas-generating side reactions.

Varying air duct hole sizes balance airflow across the battery cell stack, reducing temperature differences and extending module life.

Stacked battery units use shared heat dissipation flow channels and temperature control to simplify cell mounting while maintaining uniform cooling.

Reinforcing portions with avoidance structures strengthen battery box side beams and cell bonding without increasing pack volume.

Overlapping busbar sub-slots raise cell bracket space utilization, enabling denser battery module assembly and higher energy density.

A protruding side plate and busbar holder free terminal connection space, enabling denser battery cell packing and higher pack energy density.

By replacing multi-plate cell frames with a cross beam between cells, this pack cuts assembly complexity while improving strength, cooling, and energy density.

A capillary soaking partition moves heat to a direct cooling plate, reducing battery temperature differences and improving cycle life.

A Na3-xMPO4CO3 cathode in an aqueous sodium-ion battery lifts discharge capacity beyond typical aqueous cells while keeping water-based electrolyte use.

An imide-salt electrolyte sustains a resistance layer on silicon oxide anodes, helping block internal shorts and thermal runaway.

Directly bonding vertical battery cells into the pack housing removes the module case, raising energy density while cutting parts and cost.

A magnesium-doped and undoped silicon blend in a carbon anode layer helps limit swelling, suppress cracks, and extend lithium battery life.

Coolant channels in cooling plates between adjacent energy cells absorb failure heat and block propagation without sacrificing module energy density.

Multi-path coolant channels inside the bus bar improve heat removal from cells and conductors during high-current fast charging.

Fins and an elongated exhaust conduit channel hot gases from venting cells to a pack vent, reducing thermal runaway exposure to adjacent cells.

A boron compound in the negative electrode mixture forms a protective interface that preserves battery characteristics after high-temperature exposure.

Curable adhesive bonds collector plates and lithium-ion cells to simplify module assembly while maintaining strong, reliable electrical connections.

Pogo-pin contacts replace cell welding to improve battery module connection reliability, simplify assembly, and resist vibration and impact.

Compressible thermal beads and fluid-channel plates cool a compact modular battery array while preserving high energy density and flexible pack layout.

A single helical insert turns battery cooling plate channels turbulent, expanding liquid contact area and improving heat exchange efficiency.

Independent coolant paths through side and middle members shorten heat flow while the integrated structure preserves battery pack strength at lower weight.

Elastic compression pads and deformable end plates keep battery cell pressure even, limiting swelling damage and contact resistance.

A holder with protruding supports and a thermal resistor limits heat conduction at cell end surfaces, helping contain thermal runaway in compact packs.

Liquid CO2 is discharged into a sealed battery module container to freeze cells, suppress thermal runaway, and enable safer opening and handling.

A double-wall battery pack routes fire suppressant through a gap volume and inner-wall apertures to reach sealed cells and limit fire spread.

Partitioned spaces and fire-resistant particle inserts vent hot gas along intended paths and delay heat spread during battery thermal runaway.

Asymmetric end plate mounting holes leave more inner-wall thickness, resisting battery expansion and improving module assembly stability.

Pressure-triggered venting through cover holes and a detachable cap helps battery modules discharge gas while preserving structural protection.

A heat conductive member between adjacent electrode assemblies channels heat to the base plate, reducing heat buildup and battery risk.

Selective valves split coolant between cell-side and end channels to improve battery temperature uniformity and cell life.

Lignin derivatives improve active material dispersion in battery electrode slurries, lowering viscosity and enabling higher-concentration aqueous casting.

A bimodal cathode powder blends large polycrystalline and small single-crystal particles to raise electrode density while limiting particle breakage.

Adding 2.5-10.0 mass% DMSO to an aqueous negative electrode slurry improves active-layer compressibility and density for lithium-ion batteries.

Organic particle protrusions in an inorganic separator coating preserve air permeability in thin cells while improving electrode bonding and safety.

Higher boron on larger high-Ni cathode particles limits cracking and resistance growth, preserving capacity and rate at high temperature.

A bilayer CaVO nanobelt cathode lowers Zn2+ transport barriers to raise capacity while preserving structural stability over long cycling.

A trimodal thermally conductive filler keeps resin injection load low while delivering 3.0 W/mK or higher thermal conductivity.

Side-plate avoidance notches let larger battery modules span pack crossbeams, improving cell space use and simplifying assembly.

Selective valves split coolant between cell-holder and end channels to improve battery cell temperature uniformity under changing conditions.

An elastic-rigid spacer fills case-to-module gaps despite cell length variation, improving assembly efficiency and suppressing module expansion.

A bracketed battery block secures prismatic cells without adhesive, improving pack space use, cooling, and maintenance access.

An end fluid circuit and axial heater warm battery cells more uniformly while using one thermal loop for both heating and cooling.

Mo6+ doping raises electron concentration in sodium phosphate cathodes, improving conductivity, high-rate capacity, and cycle stability.

A nested chamber and valve release suppressant into a battery cell stack to contain thermal runaway and protect neighboring cells.

A dry-formed core-sheath binder fiber sheet holds inorganic particles in place, improving battery pack heat insulation under compression.

A one-piece extruded thermal plate replaces welded battery pack parts to improve sealing, heat conduction, and cell expansion handling.

A vent guide and filtration grid redirect hot emissions away from adjacent battery modules, limiting fire spread without sacrificing packing density.

Direct battery-to-cooling-member contact shortens the heat path, improves cooling efficiency, and removes extra welded heat-transfer parts.

A laminated heat-conducting and intumescent barrier moves cell heat in normal use, then blocks transfer during thermal runaway to isolate failure.

A segmented 2D laminated film uses alkali ion gradients and fixed interlayer spacing to generate stable, flexible power without an electrolyte.

An incombustible heat storage sheet between battery cells absorbs charging heat, limits temperature rise, and helps prevent fire spread.

A non-contact heat-dissipating structure isolates the liquid-cooling plate from mounting loads and heat loss, improving battery pack cooling.

Notched side plate ribs create tool access for battery module disassembly while protecting the liquid cooling plate and hoisting stability.

A TiBzO coating limits oxygen loss in cobalt-free high-nickel cathodes, improving high-temperature cycling, capacity, and initial efficiency.

A bent fin extension bridges air gaps between battery cells and the heat sink to improve cooling and reduce thermal runaway risk.

Pulse laser patterning reshapes the polymer separator surface to improve adhesion uniformity, electrolyte filling, and battery cyclability.

A bracket with offset through-holes and protrusions increases terminal spacing, supports welding, and lowers short-circuit risk in stacked cells.

An insulating PAG lubricant cools EV motors and batteries while lubricating moving parts, avoiding water conductivity and oxidation issues.

A phosphoric acid-based additive forms a protective electrode film that limits side reactions and resistance growth during high-temperature storage.

An insulator extension presses the electrode assembly against the case bottom to limit vertical movement and absorb vibration shocks.

Projecting side-wall spacers create coolant flow gaps between stacked cells, cutting spacer parts while improving positioning and heat exchange.

A fluorinated surface compound on Li-storage active material suppresses side reactions and preserves discharge capacity at high rates.

An elastic insulation panel stays compressed for cooling, then expands during thermal runaway to block vent channels and slow heat spread.

Fuse-like wire links give each battery cell equal-resistance bus bar connections, simplifying module assembly while improving thermal management.

Integrated mating connectors let lithium-ion batteries drop in for charging and power delivery while reducing marine battery weight and footprint.

A shielding part between the injection hole and electrode assembly redirects electrolyte flow to prevent tab and laminate damage.

A modified olefinic polymer and polyvinyl alcohol sealant balances VOC-free processing with strong, flexible battery sealing.

A grooved current collector welds the tab into fused solder joints, boosting electrode plate reliability without sacrificing battery energy density.

A polysiloxane-based thermal interface composition improves adhesion to polypropylene while maintaining heat dissipation in battery modules.

Two separate coolants with orthogonal flow paths improve battery cell cooling uniformity while lowering pump power versus immersion-only cooling.

Bus bar turns in a series-parallel prismatic battery layout spread abnormal cell heat, limiting adjacent damage while supporting compact high output.

A one-piece housing combines bottom cooling channels and ribbed side-wall shock absorption to cut parts, save space, and raise battery cell density.

A polymer-wetting agent composite improves cathode powder dispersion, lowers slurry viscosity, and helps prevent coating defects and cracking.

A bracket groove, pressing block, and adhesive-compression stack keep the battery temperature sensor from detaching and stabilize monitoring.

A welded cover plate, shell body, and bottom plate replace stamped shell limits to expand cell space and raise battery energy density.

Composite insulation spacers and heat-triggered extinguishing ducts contain thermal runaway between closely packed battery cells.

Controlled pore size and washing conditions improve initial efficiency, cycle retention, and thermal stability in lithium secondary battery cathodes.

A nested connector joins cooling tubes on different planes to prevent leakage and improve battery module cooling reliability.

Elastic heat conductors and a metal plate pull heat from tightly packed battery cells, improving module cooling without complex air-cooling hardware.

An inner metal barrier joined at the seal blocks heat-absorbing agent permeation through resin voids, helping battery packs retain thermal protection.

Physical CNT coating on Ni-rich cathodes boosts conductivity and surface stability without high-temperature carbonization, supporting longer battery life.

Nitrogen-doped peony-shaped molybdenum oxide shortens Na-ion diffusion paths and improves cathode capacity, rate performance, and cycle stability.

Passive TRS pouches and a spacer plate cool and isolate battery modules during thermal runaway to stop heat spread and cascading failure.

Thermally conductive potting and insulation route heat from a failed battery cell to structural parts while limiting propagation to neighboring cells.

Integrated support members in the liquid cooling plate stiffen CTP cell groups, limit deformation, and improve pressure relief safety.

A pressure-responsive tank cover enables smooth fire-extinguishing liquid discharge during thermal events while preventing freeze damage.

Constant-temperature storage and pre-charging keep replaceable vehicle batteries ready for fast swaps while managing battery health.

A MUX, comparator, and logic-gate test scheme verifies multi-cell battery fault indicator ICs across thresholds with less time and labor.

Spatial orientation elements guide automated joining of signal lines and cell connectors, cutting assembly faults, cost, and corrosion steps.

A fluorine-containing copolymer binder and polymer additive keep electrode slurry viscosity stable while improving current collector adhesion and flexibility.

A spring-backed pressure plate in a recessed housing plate counters battery cell swelling, reducing displacement deviation and housing deformation.

A pressure-tight cover flap shields the burst region from cooling pressure fluctuations while preserving controlled battery cell venting.

Rigid trench-body liquid cooling adapts to pouch cell expansion, preserving heat transfer, channel sealing, and flow stability.

Integrated ridges, bumps, and securement features guide battery module connectors through the housing wall while improving sealing and reducing parts.

A cooling member with an internal gas discharge passage vents failure gas quickly while adding stiffness and thermal balance to high-capacity battery modules.

A locator-filled heat exchanger slot creates a thermal break that limits cell-to-cell heat propagation while preserving battery pack heat transfer.

Integrated cross-members combine cell-stack support and serpentine coolant flow to improve battery pack heat dissipation without added complexity.

Integrated cross-member beams support cells, bus bars, and thermal barriers while creating vent paths for battery byproducts during thermal events.